iClever IC-H001 4 Port USB 3.0 Premium Aluminum Hub (Bus-Powered, Aluminum Body, VIA VL812 Chipset) Robust construction and heavy duty anodized aluminum shell guarantee excellent durability and high reliability. Expands your computer with up to 4 USB 3.0 ports. Backwards compatible with USB 2.0 and USB 1.1 devices. Built-in over-voltage and over-current protection (OVP, OCP) for maximum safety of the USB hub and devices connected. Compliance with USB 3.0 (5Gbps) and USB2.0 (480Mbps) enables connection to any USB peripherals, such as monitor, keyboard and mouse. Compatible with Windows XP / 2003 / Vista / 7 / 2008/8, Mac OS/Linux and USB-capable Macs.